$ErrorActionPreference = 'Stop'

$workspacePath = (Resolve-Path (Join-Path $PSScriptRoot '..\..')).Path
$compiler = Get-Command gcc.exe -ErrorAction SilentlyContinue
if ($null -eq $compiler)
{
    throw 'gcc.exe was not found; PLSR host tests cannot run.'
}

$outputPath = Join-Path $workspacePath 'tmp\test_plc_device.exe'
$outputDirectory = Split-Path -Parent $outputPath
if (-not (Test-Path -LiteralPath $outputDirectory))
{
    New-Item -ItemType Directory -Path $outputDirectory | Out-Null
}

$arguments = @(
    '-std=c11',
    '-Wall',
    '-Wextra',
    '-Werror',
    '-DPLSR_HOST_TEST',
    "-I$workspacePath\PLSR\Inc",
    "$workspacePath\PLSR\Src\plc_device.c",
    "$workspacePath\PLSR\Src\plsr_persistence.c",
    "$workspacePath\PLSR\Test\test_plc_device.c",
    '-o',
    $outputPath
)

try
{
    & $compiler.Source @arguments
    if ($LASTEXITCODE -ne 0)
    {
        throw "PLSR host-test compilation failed with exit code $LASTEXITCODE."
    }

    & $outputPath
    if ($LASTEXITCODE -ne 0)
    {
        throw "PLSR host tests failed with exit code $LASTEXITCODE."
    }
}
finally
{
    if (Test-Path -LiteralPath $outputPath)
    {
        Remove-Item -LiteralPath $outputPath -Force
    }
}